This covert <b>digital recorder</b> from <b>Spymaster</b> is hidden within this fully functional 4-way socket strip. Featuring a sophisticated voice activation module, the recording device will activate when any sound is detected in the room and continue to record until the module registers a prolonged silence. The device is supplied with an 8GB SD card that is capable of storing 74 hours of audio recording, and is compatible with cards of up to 32GB which would provide a staggering 576 hours of audio capture. The unit is powered through the mains supply so there is never any need to change batteries and the recorder can continue to store data as long as there is room on the SD card. It is impossible to tell the extension lead apart from any other bought from a regular shop. It looks perfectly at home in any professional or domestic environment and is fully functional as a socket strip. For simplicity and value, this audio surveillance unit is extremely hard to beat.